/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Math/Geometry.h
InSegmentA + (InSegmentB - InSegmentA) * InCoordinate
namespace UE { namespace CADKernel { template<class PointType> PointType UE::CADKernel::PointOnSegment ( const PointType & InSegmentA, const PointType & InSegmentB, double InCoordinate ) } }